{"product_id":"aquafast-total-nitrogen-lr-digestion-tubes-reagents-50-pk-acd004","title":"AQUAfast Total Nitrogen LR Digestion Tubes\/Reagents, 50\/PK, ACD004","description":"\u003cp\u003e\u003cstrong\u003eThermo Scientific™ Orion™ AQUAfast™  Total Nitrogen LR Digestion Tubes\/Reagents, 50\/PK, ACD004\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDigestion tubes and reagents for the determination of Total Nitrogen, low range\u003c\/li\u003e\n\u003cli\u003eUse with AQUAfast™ Colorimeters or AquaMate™ Vis and UV-Vis spectrophotometers\u003c\/li\u003e\n\u003cli\u003eAppearance:\n\u003cul\u003e\n\u003cli\u003eTotal Nitrogen Hydroxide LR\/HR Digestion Tubes:  colorless liquid\u003c\/li\u003e\n\u003cli\u003eTotal N Persulfate Reagent: white powder\u003c\/li\u003e\n\u003cli\u003eTotal Nitrogen Reagent A:  colorless powder\u003c\/li\u003e\n\u003cli\u003eTotal Nitrogen Reagent B:  yellowish-brown crystalline powder\u003c\/li\u003e\n\u003cli\u003eTotal Nitrogen Acid LR\/HR Vial:  clear liquid\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eCAS Nos.:\n\u003cul\u003e\n\u003cli\u003eTotal Nitrogen Hydroxide LR\/HR Digestion Tubes:  \u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eSodium Hydroxide:  1310-73-2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eTotal N Persulfate Reagent: \u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eDisodium Peroxodisulphate:  7775-27-1\u003c\/li\u003e\n\u003cli\u003ePotassium Persulphate:  7727-21-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cli\u003eTotal Nitrogen Reagent A:  \u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eDisodium Disulphite:  7681-57-4\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cli\u003eTotal Nitrogen Reagent B:  \u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eUrea:  57-13-6\u003c\/li\u003e\n\u003cli\u003eQuartz (SiO\u003csub\u003e2\u003c\/sub\u003e):  14808-60-7\u003c\/li\u003e\n\u003cli\u003eDisodium Disulphite:  7681-57-4\u003c\/li\u003e\n\u003cli\u003eDisodium 4,5-Dihydroxynaphthalene-2,7-Disulphonate:  5808-22-0\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cli\u003eTotal Nitrogen Acid LR\/HR Vial: \n\u003cul\u003e\n\u003cli\u003eSulfuric Acid:  7664-93-9\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 85%;\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription\u003c\/td\u003e\n\u003ctd\u003eAQUAfast™ total nitrogen LR digestion tubes, 50 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eDigestion Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFor Use With (Equipment)\u003c\/td\u003e\n\u003ctd\u003eOrion AquaMate™ Vis and UV-Vis Spectrophotometers, Orion AQUAfast™ AQ3700 Colorimeter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eSet of 5: 50 TN Hydroxide LR Digestion Tubes, 50 Persulfate Reagent Powder Packs, 50 TN Reagent A Powder Packs, 50 TN Reagent B Powder Packs, 50 TN Acid LR\/HR Reaction Tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e50 Tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e0.5 to 25 mg\/L N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Accessories\u003c\/td\u003e\n\u003ctd\u003eAQUAfast™ COD165 Thermoreactor \u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #0000ff; text-decoration: underline;\"\u003e\u003cspan style=\"color: #0000ff; text-decoration: underline;\"\u003e92-2804-25\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e (Orion™ COD165)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest Method\u003c\/td\u003e\n\u003ctd\u003ePersulfate Digestion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eNitrogen, Total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Size\u003c\/td\u003e\n\u003ctd\u003eCase of 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Thermo Fisher Scientific","offers":[{"title":"PK (1)","offer_id":51111228440891,"sku":"92-2804-27-PK","price":215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/92-2804-27.png?v=1784712554","url":"https:\/\/preiser.com\/products\/aquafast-total-nitrogen-lr-digestion-tubes-reagents-50-pk-acd004","provider":"Preiser Scientific","version":"1.0","type":"link"}